Barrington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barrington, a village in Cook County, Illinois.
Tonight
60°F
Rain Showers
Rain showers. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Barrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Rain Showers | 15 mph S | 82% |
| Wednesday | 63°F | Rain Showers Likely | 15 mph SSW | 61% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 15 mph SW | 18% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 48% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 27% |
| Friday Night | 36°F | Mostly Cloudy | 5 mph NNW | 6% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 7% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 36°F | Mostly Clear | 5 mph WNW | 8% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 2% |
| Tuesday | 61°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Barrington (42.152, -88.129). Updated through the day.
Growing snapshot for Barrington
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
More local growing data for Barrington: nearby ZIP 60010 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Barrington 3Sw, Il (2.2 mi from Barrington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.